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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dgyqybwr/">電工儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-dgyqybwr_glclybib/">功率測量儀表</a>?江蘇國產(chǎn)相位差測量儀價格實惠蘇州千宇光學(xué)科技供應(yīng)</p><div id="bulxgws" class="leftbox clearfix"><h1>江蘇國產(chǎn)相位差測量儀價格實惠蘇州千宇光學(xué)科技供應(yīng)</h1><div id="3ztf3ha" class="proBig"><div id="f7dp9p2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283752412109/9298150.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jcoktug" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283752412109/9298150.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f8ofjvr" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇國產(chǎn)相位差測量儀價格實惠,相位差測量儀</p><p><span>***更新：</span>2020-09-23 12:12:23</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8zgsj7h" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州千宇光學(xué)科技有限公司</a></p><p><span>聯(lián)系人：</span>密先生</p><p><span>郵箱: </span>cimi@oec-tech.com</p><p><span>電話: </span>18662198664</p><p><span>傳真: </span>0512_69388290</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0512-69388290</p><p><span>地址: </span>蘇州工業(yè)園區(qū)東旺路8號7B-302室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zijariz" class="page-proshow02"><p class="title">詳細說明</p><div id="vzjarno" class="box"><p><p style="text-indent:25px">相位檢測儀器工作原理數(shù)字相位計一般采用相位-電壓轉(zhuǎn)換法的相位差數(shù)字化測量方法.它測量的是同頻信號的相位差，相位差為φ的兩個同頻信號U1(t)和 U2(t)分別經(jīng)過各自的衰減電路被衰減成為振幅在0.6V到2.0V的基準(zhǔn)電壓，然后送至相應(yīng)的整形電路整形為方波，此時對稱調(diào)整電路會對這兩個信號進行對稱調(diào)整，使得測量結(jié)果更準(zhǔn)確，這樣就得到了兩個同頻方波信號，再經(jīng)過鑒相脈沖電路得到一個隨相位差變化而變化的脈沖信號 △t.相位差的數(shù)字化是采用填充計數(shù)法實現(xiàn)的，即用周期為τ的脈沖分別對△t和T進行計數(shù)，江蘇國產(chǎn)相位差測量儀價格實惠，則相位差:φ=△tTX360° =n1 Tn2τ X360° =n1n2X360°式子中T為兩個被測信號的周期，江蘇國產(chǎn)相位差測量儀價格實惠，n1為△t時間內(nèi)所填充的脈沖個數(shù)，江蘇國產(chǎn)相位差測量儀價格實惠, n2為T時間內(nèi)所填充的脈沖個數(shù)。由于不同的信號電壓大小不同，所以他們需要進入不同的衰減電路,才能保證整個電路的安全和測量的準(zhǔn)確性,這就需要一個精確的自動換程電路.而后續(xù)的信號處理需要--個幅值穩(wěn)定在-一個范圍內(nèi)的基準(zhǔn)信號，這就需要通過衰減器來實現(xiàn).可溯源性:可提供計量檢測報告。江蘇國產(chǎn)相位差測量儀價格實惠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國產(chǎn)相位差測量儀價格實惠,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283752412109/9298150.png"></div><p style="text-indent:25px">滯后的相位值都為π的一半，或者說90°.在計算電路電流有效值時，電容電流超前90，電感落后90，可用矢量正交分解加合.加在晶體管放大器基極上的交流電壓和從集電極輸出的交流電壓，這兩者的相位差正好等于180°.這種情況叫做反相位，或者叫做反相.正弦量正交（90°）和反相（180°）都是特殊的相位差.目前，國內(nèi)相位差測量儀生產(chǎn)廠家或研究單位明顯存在著技術(shù)老化問題，其采用的器件、方法和技術(shù)與技術(shù)先進國家有較大的的差距。而**近發(fā)展的先進的計算機技術(shù)、電子技術(shù)等卻由技術(shù)、資金、管理等方面的原因未能應(yīng)用于相位測量技術(shù)，因此國內(nèi)相位測量的水平與國外水平有著相當(dāng)大的差距。同時，隨著**和科教等領(lǐng)域的發(fā)展，迫切需要高精度高性能的相位測量系統(tǒng)，而且在一些特殊工程領(lǐng)域，還需要測量儀器具備其它特殊功能。由此可見，為縮小這些差距，對高精度相位測量算法的研究和相位測量系統(tǒng)的設(shè)計刻不容緩。本文介紹的是一套較完整的高精度相位差測量儀，提高相位及頻率參數(shù)的測量精度，并擴展測相系統(tǒng)功能，由移相網(wǎng)絡(luò)模塊、相位差測量模塊及頻率測量模塊三大部分構(gòu)成，其系統(tǒng)功能主要是進行相位差測量及頻率和幅度測量。江蘇先進相位差測量儀質(zhì)量推薦測量波段可升級為380nm~780nm。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國產(chǎn)相位差測量儀價格實惠,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281938291016/8047698.png"></div><p style="text-indent:25px">所謂移相是指兩種同頻的信號，以其中的一路為參考，另一路相?對于該參考作超前或滯后的移動，即稱為是相位的移動。兩路信號的?相位不同，便存在相位差，簡稱相差。若我們將一個信號周期看作是?360，則相差的范圍就在0°～360°。：兩個同頻信號之間的移相，?是電子行業(yè)繼電保護領(lǐng)域中模擬、分析問題的一個重要手段，利用移?相原理可以制作校驗各種有關(guān)相位的儀器儀表、繼電保護裝置的信號?源。因此，移相技術(shù)有著特別廣的實用價值。我們知道，將參考信號整?形為方波信號，并以此信號為基準(zhǔn)，延時產(chǎn)生另一個同頻的方波信號，?再通過波形變換電路將方波信號還原成正弦波信號。</p><p style="text-indent:25px">相位常應(yīng)用在科學(xué)領(lǐng)域，如數(shù)學(xué)、物理學(xué)等。例如：在函數(shù)y=Acos(ωx+φ)中，ωx+φ稱為相位。在astrolog32中點擊ALTIFT+A可以顯示相位設(shè)定菜單。在交流電中，相位是反映交流電任何時刻的狀態(tài)的物理量。交流電的大小和方向是隨時間變化的。比如正弦交流電流，它的公式是i=Isin2πft。i是交流電流的瞬時值，I是交流電流的比較大值，f是交流電的頻率，t是時間。隨著時間的推移，交流電流可以從零變到比較大值，從** 大值變到零，又從零變到負的** 大值，從負的比較大值變到零。在三角函數(shù)中2πft相當(dāng)于弧度，它反映了交流電任何時刻所處的狀態(tài)，是在增大還是在減小，是正的還是負的等等。因此把2πft叫做相位，或者叫做相。偏光片吸收軸角度、偏振片偏振方向。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國產(chǎn)相位差測量儀價格實惠,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png"></div><p style="text-indent:25px">相位差測試儀是工業(yè)領(lǐng)域中是經(jīng)常用到的一般測量工具，比如在電力系統(tǒng)中電網(wǎng)并網(wǎng)合閘時，需要兩電網(wǎng)的電信號相同，這就需要精確的測量兩工頻信號之間的相位差。更有測量兩列同頻信號的相位差在研究網(wǎng)絡(luò)、系統(tǒng)的頻率特性中具備重要意義。相位測量的方法很多，典型的傳統(tǒng)方法是通過顯示器觀測，這種方法誤差較大，讀數(shù)不方便。為此，我們設(shè)計了一種數(shù)字相位差測量儀，實現(xiàn)了兩列信號相位差的自動測量及數(shù)顯。在相位差測量過程中，不允許兩路信號在放大整形電路中發(fā)生相對相移。為了使兩路信號在測量電路中引起的附加相移是相同的，圖1中A1和A2安排了相同的電路。偏光片吸收軸角度、偏振片偏振方向、波片快軸方向。江蘇質(zhì)量相位差測量儀</p><p style="text-indent:25px">精心打造的每一-臺設(shè)備出貨前都會用**計量標(biāo)準(zhǔn)片進行校驗。江蘇國產(chǎn)相位差測量儀價格實惠</p><p style="text-indent:25px">相位的概念? 相位(phase)是對于一個波，特定的時刻在它循環(huán)中的位置：一種它是否在波峰、波谷或它們之間的某點的標(biāo)度。相位描述信號波形變化的度量，通常以度?（角度）作為單位，也稱作相角。?當(dāng)信號波形以周期的方式變化，波形循環(huán)一周即為360°?。? 相位常應(yīng)用在科學(xué)領(lǐng)域，如數(shù)學(xué)、物理學(xué)等。例如：在函數(shù)y=Acos(ωx+φ)中，ωx+φ稱為相位。在astrolog32中點擊ALT+SHIFT+A可以顯示相位設(shè)定菜單。? 在交流電中，相位是反映交流電任何時刻的狀態(tài)的物理量。交流電的大小和方向是隨時間變化的。比如正弦交流電流，它的公式是i=Isin2πft。江蘇國產(chǎn)相位差測量儀價格實惠</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司主要經(jīng)營范圍是機械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。千宇光學(xué)科技致力于為客戶提供良好的高低溫光電綜合系統(tǒng)，彎折機，，，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營理念，在機械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設(shè)備良好品牌。千宇光學(xué)科技立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1386886.html</p></div></div></div></div></div><div id="l37cyp2" class="page-right twoColRt"><div id="tcyugcl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ft3xjaw" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="e3neq8q" class="recomPic likePro"><a 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